comment_save_pre filter-hook . WP 1.5.0

Filters the comment content before it is updated in the database.

Usage

add_filter( 'comment_save_pre', 'filter_function_name_9012' );
function filter_function_name_9012( $comment_content ){
	// filter...

	return $comment_content;
}

$comment_content(string)

The comment data.

Where the hook is called

$data['comment_content'] = apply_filters( 'comment_save_pre', $data['comment_content'] );

Where the hook is used (in WP core)

add_filter( $filter, 'convert_invalid_entities' );

add_filter( $filter, 'balanceTags', 50 );